profile_manager: Make use of std::nullopt
Allows some implementations to completely avoid unnecessarily zeroing out the internal buffer.
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@ -58,7 +58,7 @@ ProfileManager::~ProfileManager() {
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/// internal management of the users profiles
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std::optional<std::size_t> ProfileManager::AddToProfiles(const ProfileInfo& profile) {
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if (user_count >= MAX_USERS) {
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return {};
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return std::nullopt;
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}
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profiles[user_count] = profile;
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return user_count++;
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@ -127,7 +127,7 @@ ResultCode ProfileManager::CreateNewUser(UUID uuid, const std::string& username)
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std::optional<UUID> ProfileManager::GetUser(std::size_t index) const {
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if (index >= MAX_USERS) {
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return {};
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return std::nullopt;
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}
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return profiles[index].user_uuid;
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@ -136,13 +136,13 @@ std::optional<UUID> ProfileManager::GetUser(std::size_t index) const {
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/// Returns a users profile index based on their user id.
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std::optional<std::size_t> ProfileManager::GetUserIndex(const UUID& uuid) const {
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if (!uuid) {
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return {};
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return std::nullopt;
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}
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const auto iter = std::find_if(profiles.begin(), profiles.end(),
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[&uuid](const ProfileInfo& p) { return p.user_uuid == uuid; });
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if (iter == profiles.end()) {
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return {};
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return std::nullopt;
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}
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return static_cast<std::size_t>(std::distance(profiles.begin(), iter));
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